Toothbrush



FIG. 1 is a front elevational view of a toothbrush showing my new design;

FIG. 2 is a right-side view of the toothbrush of FIG. 1, the other side being a mirror image thereof;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a top plan view thereof. 

The ornamental design for a toothbrush, as shown and described. 